![subject](/tpl/images/cats/mat.png)
Mathematics, 22.04.2020 01:57 winterblanco
If the variance of the water temperature in a lake is 30°, how many days should the researcher select to measure the temperature to estimate the true mean within 4° with 95% confidence? Round the intermediate calculations to two decimal places and round up your final answer to the next whole number
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30
What is the domain and range of each function 1. x (3, 5, 7, 8, 11) y ( 6, 7, 7, 9, 14) 2. x (-3, -1, 2, 5, 7) y (9, 5, 4, -5, -7)
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
How are sas and sss used to show that two triangles are congruent?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:50
Arepresentative from plan 1 wants to use the graph below to sell health plans for his company how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 04:00
What is the answer to this problem? ignore the work. what is the correct answer?
Answers: 3
You know the right answer?
If the variance of the water temperature in a lake is 30°, how many days should the researcher selec...
Questions
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 17.10.2019 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 17.10.2019 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
Spanish, 17.10.2019 19:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 17.10.2019 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 17.10.2019 19:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 19:00
![question](/tpl/images/cats/en.png)
English, 17.10.2019 19:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 17.10.2019 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 19:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 17.10.2019 19:00